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U1TW40S*FRN
User Manuals: Bradford White U1TW40S*FRN Water Heater
Manuals and User Guides for Bradford White U1TW40S*FRN Water Heater. We have
1
Bradford White U1TW40S*FRN Water Heater manual available for free PDF download: Service Manual
Bradford White U1TW40S*FRN Service Manual (52 pages)
Residential Ultra Low NOx Gas Water Heaters
Brand:
Bradford White
| Category:
Water Heater
| Size: 2.84 MB
Table of Contents
Table of Contents
2
Introduction
5
How to Use this Manual
6
Tools Required for Service
7
Specifications
8
Control Timings
11
Wiring Diagram
11
Sequence of Operation
12
Power up Sequence
12
Normal Heating Sequence
12
Abnormal Operation
13
Troubleshooting
17
Burner Maintenance
20
Burner Inspection
20
Burner Cleaning Procedure
20
Pilot Maintenance
22
Pilot Inspection Testing and Replacement
25
Pressure Switch Testing and Replacement
25
Blower Testing and Replacement
28
Vent System
30
Blower Temperature Switch Testing and Replacement
31
Thermal Well Testing
34
Determine Water Temperature Inside Tank
35
Gas Control and Thermal Well Testing and Replacement
36
Gas Control Removal
37
Gas Control Assembly
38
Flammable Vapor Sensor Testing and Replacement
40
115 VAC Circuit Trace
40
Vac Circuit Trace
41
Safety Circuit Voltage Trace
42
Blower Removal
43
Flue Baffle Inspection and Replacement
43
Diptube Inspection and Replacement
44
Anode Inspection and Replacement
45
Inner Door Removal, Inspection and Replacement
46
Inner Door Gasket Replacement
47
Inner Door Installation
48
Screenlok ® Flame Arrestor Cleaning
49
Common Terms
50
Notes
50
Parts List
51
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